the polygrapher detected john hielscher was being truthful. he passed with flying colors. and then-- nothing. neither kevin nor john heard anything more from that lawyer. i just thought it got dropped, you know? kind of, you know, wishing now, oh, good. it's not going to come back. that's it. keith morrison (voiceover): and that would have been the end of it, most likely, had it not been for her. over on the other side of detroit, though john and kevin couldn't possibly have known it, was a private investigator who, truth be told, had just about given up on the case of the highers brothers. we weren't getting anywhere. keith morrison (voiceover): private eye julianne cuneo had agreed to work the case for a fraction of her usual fee when the highers family begged her to find evidence of the boys innocence. she tended to agree with them. but in her long search, she had been unable to find anyone or any facts that could challenge the story about old man bob's murder that was told at the trial, which was this-- bob was home, and it was a friday night. he's getting a lot of phon